# Binary Clock Widget vs Kalendio

The clearest difference is update cadence: Kalendio at every 2 months against Binary Clock Widget's every 21 months. Binary Clock Widget's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Binary Clock Widget ships an update every 21 months, Kalendio every 2 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Binary Clock Widget | Kalendio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/binary-clock-widget/id965640631/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 9 MB | 30 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matthias Schlemm](https://appshunter.io/developer/425938241) | [Daniel Hanberg Alonso](https://appshunter.io/developer/1514749897) |

## What reviewers say

### Binary Clock Widget

[App page](https://appshunter.io/ios/app/binary-clock-widget/id965640631)

Displays the current time using the binary numeral system. Offers customizable display options including 24/12 hour formats and AM/PM indicators. This widget is designed for users interested in a unique, code-inspired timekeeping experience.

**Highlights:** Widget functionality, Binary time display, 24/12 hour format, AM/PM indicator, 7 style options

**Features:** macOS Compatibility

**In-app purchases:** none


### Kalendio

[App page](https://appshunter.io/ios/app/kalendio/id1514749898)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Binary Clock Widget free?

Binary Clock Widget is free to download, with no in-app purchases.

### Is Kalendio free?

Kalendio is free to download, with no in-app purchases.

### Do Binary Clock Widget or Kalendio have ads?

Neither Binary Clock Widget nor Kalendio shows ads.

### Which is updated more often, Binary Clock Widget or Kalendio?

Binary Clock Widget ships an update every 21 months, and Kalendio every 2 months. Most recently, Binary Clock Widget was updated on November 1, 2026 and Kalendio on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*